Question
a.
gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen.
b.
energy needed to crush one tonne of feed to 200 microns.
c.
energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen.
d.
energy needed to crush one ton of feed to 100 microns.
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